The 8051 Microcontroller and Embedded Systems, Volume 1
Prentice Hall, 2000 - Digital control systems - 435 pages
For courses teaching the 8051 Microcontoller.
This book uses a step-by-step approach to teach the fundamentals of assembly language programming and interfacing of the 8051 microcontroller. It uses many examples to clarify concepts. Simple, concise examples are utilized to show what action each instruction performs, then a sample is provided to show its application. This text provides a comprehensive understanding of the internal organization of the 8051 registers and resources in a way that sheds the student's fear of assembly language. Whether students become designers of stand-alone systems or complex embedded systems, they will find this text a useful resource.
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Several of these gates are defined below . AND gate The AND gate takes two or more inputs and performs a logic AND on them . See the truth table and diagram of the AND gate . Notice that if both inputs to the AND gate are 1 , the output ...
Inverter The inverter , also called NOT , outputs the value opposite to that input to the gate . That is , a 1 input will give a 0 output , while a 0 input will give a 1 output . XOR gate The XOR gate performs an exclusive - OR ...
The more commonly used term is simple I / O . In this mode , any of ports A , B , or C can be programmed as input or output . It must be noted that in this mode , a given port cannot be both an input and output port at the same time .
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The 8051 Microcontrollers
THE 8051 MICROCONTROLLERS 223 Section 1 1 Microcontrollers and Embedded Processors
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